diff --git a/lux-power-distribution-card.js b/lux-power-distribution-card.js
index ff36bba..d7dd4e8 100755
--- a/lux-power-distribution-card.js
+++ b/lux-power-distribution-card.js
@@ -31,12 +31,12 @@ class LuxPowerDistributionCard extends HTMLElement {
 
     const shadowRoot = this.shadowRoot;
 
-    const card = document.createElement('ha-card');
+    this.card = document.createElement('ha-card');
     if (this._config.title) {
       const header = document.createElement("h1");
       header.classList.add('card-header');
       header.appendChild(document.createTextNode(this._config.title));
-      card.appendChild(header);
+      this.card.appendChild(header);
     }
 
     this.content = document.createElement('div');